Method for Fine Magnet Shaping in Cyclotrons

The fine shaping of a cyclotron magnet is usually conducted through an iterative procedure by matching the obtained and the required pre-calculated magnetic field. The quality of the obtained magnetic field is then evaluated by the closeness of the resulting ion gyration frequency to its required va...

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Bibliographic Details
Published in:IEEE transactions on nuclear science 2009-10, Vol.56 (5), p.2821-2827
Main Authors: Cirkovic, S., Ristic-Djurovic, J.L., Vorozhtsov, A.S., Ilic, A.Z., Neskovic, N.
Format: Article
Language:English
Subjects:
Acceleration
Criteria
Cyclotrons
Empirical analysis
Estimates
Frequency estimation
Gyration
Ion beams
isochronous field
magnet design
Magnetic confinement
Magnetic field measurement
Magnetic fields
Magnetic separation
Matching
particle beam dynamics
Particle beams
Shape
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Summary:The fine shaping of a cyclotron magnet is usually conducted through an iterative procedure by matching the obtained and the required pre-calculated magnetic field. The quality of the obtained magnetic field is then evaluated by the closeness of the resulting ion gyration frequency to its required value. The method we propose is based directly on the gyration frequency adjustment; therefore, the pre-calculated magnetic field criterion and the empirical weight factors often needed for the corresponding shape estimate are avoided. The method is applicable to the angular width as well as the thickness of the magnet elements used in fine shaping.
ISSN:0018-9499
1558-1578
DOI:10.1109/TNS.2009.2027235